document.write( "Question 909606: Let g(x) = \"+++++++++-++++++++x%5E4+%2B+13x%5E2++++++-++++++++36\"\r
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\n" ); document.write( "It is (increasing or decreasing) on the interval (6, ∞).\r
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Algebra.Com's Answer #551946 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
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document.write( "Hi
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document.write( "g(x)    =   \"-++x%5E4+%2B+13x%5E2+-36\"
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document.write( "how to solve
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document.write( "y-intercept(when x = 0) is -36 
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document.write( "Find x-intercetps:  -3,-2,2,3
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document.write( "I. By factoring (x^2 - 4)(x^2 -9) = (x-2)(x+2)(x-3)(x+3)
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document.write( "II. By Synthetic Division noticing x=2 is one root
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document.write( "2  -1	0	13	0	-36
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document.write( "	-2	-4	18	36
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document.write( "   -1	-2	9	18	0
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document.write( "(x-2)(-x^3 -2x^2 +9x + 18)  Note: x = -2 root for -x^3 -2x^2 +9x + 18
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document.write( "-2  -1	-2	9	18	
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document.write( "	2	0	-18	
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document.write( "   -1	0	9	0
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document.write( "(x-2)(x+2)(-x^2 + 9)= (x-2)(x+2)(x-3)(x+3)
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document.write( "Or
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document.write( "III. by Graphing 
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